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From "Hitesh Shah (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-3314) Support AM specific blacklisting of nodes on the RM
Date Mon, 31 Oct 2011 05:08:32 GMT
Support AM specific blacklisting of nodes on the RM
---------------------------------------------------

                 Key: MAPREDUCE-3314
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3314
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
    Affects Versions: 0.23.0
            Reporter: Hitesh Shah
             Fix For: 0.23.1


The AM blacklists certain nodes due to task failures but the RM does not know of this and
can allocate blacklisted nodes to the AM again and again. 

RM should support a protocol that allows AM to inform the RM of nodes that it should not allocate
to it. 

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